The RCD330 (specifically the Desay or Noname versions) is the holy grail for VW owners wanting CarPlay/Android Auto. However, its pinout differs slightly from older RCD/RNS units. Getting the wiring wrong can lead to battery drain, no reverse camera, or a dead unit.
| Pin | Signal | Description | |------|-----------------------|------------------------------------------------| | | Video Ground | Ground for the camera video signal. | | 2 | Video Signal (+) | Composite video (CVBS) from the camera. | | 3 | +12V (Reverse trigger) | Provides 12V to the camera when reverse is engaged. | | 4 | Not connected | Reserved. | | 5 | Reverse Signal Input (From car) | Detects reverse gear (usually via CAN, but this is direct). | | ... | ... | ... (Pins 6-12 often unused or for AUX-L/R audio) | Rcd330 Pinout